code: def next(self):
      if not self.is_active():
          raise ReadTooFar
      self._i += 1
      self._find_next()
  
file_path: whoosh/src/whoosh/query/qcolumns.py
imports: from whoosh.matching import ConstantScoreMatcher, NullMatcher, ReadTooFar
  from whoosh.query import Query
label_desc: Use image node_id 4 for calling the ColumnMatcher obj's underlying member method code with example usage: obj.next() without return types